Copyright

ScienceFusion Ecology & the Environment Unit 3.1: Earth's Support of Life Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. The chemical formula for water indicates that there are _____.

Question 2 2. Frequency and wavelength are related by the following mathematical relationship?

Question 3 3. Look at the electromagnetic spectrum and determine which wave has the highest energy.

Question 4 4. About how far does the atmosphere extend above Earth's surface?

Question 5 5. We see and hear a lot of reporting about the dangers of greenhouse gases. What receives little coverage are the benefits of having greenhouse gases in our atmosphere. What is the value of having greenhouse gases in small amounts?

Page 2

Question 6 6. What are the reactants of photosynthesis?

Question 7 7. How is ozone that is found in the troposphere considered harmful?

Question 8 8. Select the concentration of ozone that is naturally found in the stratosphere.

Question 9 9. Water's polarity makes it a good molecule for _____.

Question 10 10. The initial Montreal Protocol of 1987 vowed to reduce CFC production by _____.

Page 3

Question 11 11. Which of the following is the correct equation for photosynthesis?

Question 12 12. Coastal areas tend to have moderate temperatures throughout the year because of water's _____.

Question 13 13. Water is unique because as a solid it is _____.

Question 14 14. Which is FALSE about greenhouse gases?

Question 15 15. What is required in order for CFCs to break down ozone?

Page 4

Question 16 16. Which of the following is FALSE about winter in the Northern Hemisphere?

Question 17 17. How is the summer solstice different from winter solstice?

Question 18 18. Which statement correctly describes what photosynthesis accomplishes?

Question 19 19. Which vitamin does UV-B help synthesize?

Question 20 20. What happens to the solar light energy in photosynthesis?

Page 5

Question 21 21. Which statement is true about the gases in the 'other' category?

Question 22 22. Which type of UV light is the most damaging to us on Earth?

Question 23 23. Which is true about ozone?

Question 24 24. Which gas is the second most common one in our atmosphere?

Question 25 25. The total amount of sunlight Earth receives each day _____.

Page 6

Question 26 26. According to the American Academy of Dermatology, what is the minimum SPF a sunscreen should have to protect you from the harmful effects of UV?

Question 27 27. What is the role of the pigment molecules in photosynthesis?

Question 28 28. On what basis were S. Rowland and M. Molina chosen for the 1995 Nobel Prize in chemistry?

Question 29 29. Water helps moderate your body temperature because _____.

Question 30 30. Why are the polar regions cooler than the equator?

ScienceFusion Ecology & the Environment Unit 3.1: Earth's Support of Life Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

ScienceFusion Ecology and the Environment: Online Textbook Help  /  Science Courses
Support